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add button for clearing the TF buffer #9

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merged 3 commits into from Sep 9, 2018
Merged

add button for clearing the TF buffer #9

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9fed399
add button for clearing the TF buffer
christian-rauch Jun 26, 2018
cd2d2d0
ignore invalid data
christian-rauch Jul 9, 2018
c384dc4
change icon to 'edit-delete'
christian-rauch Aug 5, 2018
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7 changes: 7 additions & 0 deletions resource/RosTfTree.ui
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Expand Up @@ -19,6 +19,13 @@
<layout class="QVBoxLayout" name="verticalLayout" stretch="0,0">
<item>
<layout class="QHBoxLayout" name="horizontalLayout" stretch="0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0">
<item>
<widget class="QPushButton" name="clear_buffer_push_button">
<property name="toolTip">
<string>Clear TF Buffer</string>
</property>
</widget>
</item>
<item>
<widget class="QPushButton" name="refresh_graph_push_button">
<property name="toolTip">
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2 changes: 1 addition & 1 deletion src/rqt_tf_tree/dotcode_tf.py
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Expand Up @@ -104,7 +104,7 @@ def generate(self, data, timestamp):
rankdir=self.rankdir,
ranksep=self.ranksep)

if len(data) == 0:
if data is None or len(data) == 0:
self.dotcode_factory.add_node_to_graph(graph, "No tf data received")
return graph

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6 changes: 6 additions & 0 deletions src/rqt_tf_tree/tf_tree.py
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Expand Up @@ -88,6 +88,9 @@ def __init__(self, context):
self._scene.setBackgroundBrush(Qt.white)
self._widget.graphics_view.setScene(self._scene)

self._widget.clear_buffer_push_button.setIcon(QIcon.fromTheme('edit-delete'))
self._widget.clear_buffer_push_button.pressed.connect(self._clear_buffer)

self._widget.refresh_graph_push_button.setIcon(QIcon.fromTheme('view-refresh'))
self._widget.refresh_graph_push_button.pressed.connect(self._update_tf_graph)

Expand Down Expand Up @@ -127,6 +130,9 @@ def restore_settings(self, plugin_settings, instance_settings):
self.initialized = True
self._refresh_tf_graph()

def _clear_buffer(self):
self.tf2_buffer_.clear()

def _update_tf_graph(self):
self._force_refresh = True
self._refresh_tf_graph()
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